Home / 1,902.11-2,854.20-1,442.75

Finding the Fourth Proportional to 1,902.11, 2,854.20 and 1,442.75

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Solution

The fourth proportional to 1,902.11, 2,854.20 and 1,442.75 is: 2,164.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902.11 : 2,854.20 = 1,442.75 : x
  2. Step 2: Convert to fraction form
    1,902.11/2,854.20 = 1,442.75/x
  3. Step 3: Cross multiply
    1,902.11x = 2,854.20 × 1,442.75
  4. Step 4: Simplify right side
    1,902.11x = 4,117,897.05
  5. Step 5: Solve for x
    x = 4,117,897.05/1,902.11
  6. Step 6: Final answer
    x = 2,164.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.